VR Command — Firmware Version
Query complete information about the installed firmware: model, version, hardware, modules and compilation date.
What is it used for?
The VR command allows you to know:
- 📱 Device model — Identify the exact device
- 🔢 Firmware version — Verify command compatibility
- 💾 Hardware — Available memory capacity
- 📡 Modules — Type of cellular modem and GPS installed
- 📅 Compilation date — Firmware age
Useful for verifying FOTA updates and diagnosing command compatibility.
Syntax
| Action | Command | Response |
|---|---|---|
| Query | QVR | RVR complete_info |
Practical Examples
Query on Rinho C5
>QVR<
>RVR RINHO C5 v1.11.00 u256 UG96 L80 2018-06-18 10:36:57;ID=974862;*08<Response breakdown:
| Field | Value | Description |
|---|---|---|
| Device | RINHO | Manufacturer |
| Model | C5 | Device model |
| Version | 1.11.00 | Firmware version |
| Hardware | u256 | 256KB memory |
| Modem | UG96 | Quectel UG96 (3G) |
| GPS | L80 | Quectel L80 |
| Date | 2018-06-18 10:36:57 | Compilation |
Query on Rinho Spider IOT
>QVR<
>RVR RINHO SPIDER IOT v2.05.03 u1024 BG96 L76K 2024-03-15 14:22:30;ID=123456;*1A<Query on Rinho Smart IOT
>QVR<
>RVR RINHO SMART IOT v1.08.02 u512 SIM7600 L76K 2024-01-20 09:15:45;ID=987654;*2F<Hardware Reference
Use this table to interpret the response codes.
Memory Codes
| Code | Capacity | Typical use |
|---|---|---|
u128 | 128 KB | Basic models |
u256 | 256 KB | C3/C5 series |
u512 | 512 KB | Smart IOT |
u1024 | 1 MB | Spider IOT |
Cellular Modems
| Model | Technology | Band |
|---|---|---|
UG96 | 3G UMTS/HSPA+ | Global |
BG96 | LTE Cat-M1/NB-IoT | IoT |
SIM7600 | 4G LTE | High speed |
EC25 | 4G LTE | Multimedia |
GPS Modules
| Model | Constellations |
|---|---|
L80 | GPS |
L76K | GPS + GLONASS |
LC29H | GPS + GLONASS + BeiDou + Galileo |
Use Cases
- ✅ Verify updates — Confirm version before/after FOTA
- 🔧 Technical support — Identify command compatibility
- 📊 Fleet audit — Inventory of installed versions
- 🔍 Diagnosis — Detect devices with outdated firmware
If the version is very old, some new commands might not be available.
Compatibility
💾Firmware v1.03.00
SPLegacy
ULLegacy
MTLegacy
💾Firmware v1.00.00
SP-IOT
SM-IOT
ZE-IOT
See Also
- TAG Command - Configuration tag
- IMEI Query - Module identifier
- FOTA Update - Remote firmware update
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